Global R&E Routing Table Report 18:50 GMT Tue 20 Jul, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KENET/ Analysis Summary ---------------- BGP routing table entries examined: 17140 Prefixes after maximum aggregation (per Origin AS): 9507 Deaggregation factor: 1.80 Unique aggregates announced (without unneeded subnets): 10382 Total ASes present in the Internet Routing Table: 2525 Prefixes per ASN: 6.79 Origin-only ASes present in the Internet Routing Table: 2164 Origin ASes announcing only one prefix: 1018 Transit ASes present in the Internet Routing Table: 361 Transit-only ASes present in the Internet Routing Table: 64 Average AS path length visible in the Internet Routing Table: 5.2 Max AS path length visible: 17 Max AS path prepend of ASN (207352) 12 Prefixes from unregistered ASNs in the Routing Table: 383 Number of instances of unregistered ASNs: 383 Number of 32-bit ASNs allocated by the RIRs: 36652 Number of 32-bit ASNs visible in the Routing Table: 545 Prefixes from 32-bit ASNs in the Routing Table: 1428 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 4 Number of addresses announced to Internet: 196465664 Equivalent to 11 /8s, 181 /16s and 212 /24s Percentage of available address space announced: 5.3 Percentage of allocated address space announced: 5.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 2074 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4719 Total APNIC prefixes after maximum aggregation: 2345 APNIC Deaggregation factor: 2.01 Prefixes being announced from the APNIC address blocks: 4721 Unique aggregates announced from the APNIC address blocks: 2695 APNIC Region origin ASes present in the Internet Routing Table: 573 APNIC Prefixes per ASN: 8.24 APNIC Region origin ASes announcing only one prefix: 247 APNIC Region transit ASes present in the Internet Routing Table: 61 Average APNIC Region AS path length visible: 5.4 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 215 Number of APNIC addresses announced to Internet: 46273280 Equivalent to 2 /8s, 194 /16s and 19 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-147769 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 6576 Total ARIN prefixes after maximum aggregation: 3525 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 6599 Unique aggregates announced from the ARIN address blocks: 3876 ARIN Region origin ASes present in the Internet Routing Table: 1022 ARIN Prefixes per ASN: 6.46 ARIN Region origin ASes announcing only one prefix: 376 ARIN Region transit ASes present in the Internet Routing Table: 142 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 15 Number of ARIN region 32-bit ASNs visible in the Routing Table: 125 Number of ARIN addresses announced to Internet: 85734400 Equivalent to 5 /8s, 28 /16s and 52 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-401308 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 3362 Total RIPE prefixes after maximum aggregation: 2738 RIPE Deaggregation factor: 1.23 Prefixes being announced from the RIPE address blocks: 3358 Unique aggregates announced from the RIPE address blocks: 2748 RIPE Region origin ASes present in the Internet Routing Table: 675 RIPE Prefixes per ASN: 4.97 RIPE Region origin ASes announcing only one prefix: 325 RIPE Region transit ASes present in the Internet Routing Table: 107 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 17 Number of RIPE region 32-bit ASNs visible in the Routing Table: 131 Number of RIPE addresses announced to Internet: 58108160 Equivalent to 3 /8s, 118 /16s and 169 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-213403 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 1535 Total LACNIC prefixes after maximum aggregation: 582 LACNIC Deaggregation factor: 2.64 Prefixes being announced from the LACNIC address blocks: 1533 Unique aggregates announced from the LACNIC address blocks: 810 LACNIC Region origin ASes present in the Internet Routing Table: 174 LACNIC Prefixes per ASN: 8.81 LACNIC Region origin ASes announcing only one prefix: 69 LACNIC Region transit ASes present in the Internet Routing Table: 28 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 73 Number of LACNIC addresses announced to Internet: 4213504 Equivalent to 0 /8s, 64 /16s and 75 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-272796 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 565 Total AfriNIC prefixes after maximum aggregation: 143 AfriNIC Deaggregation factor: 3.95 Prefixes being announced from the AfriNIC address blocks: 925 Unique aggregates announced from the AfriNIC address blocks: 249 AfriNIC Region origin ASes present in the Internet Routing Table: 11 AfriNIC Prefixes per ASN: 84.09 AfriNIC Region origin ASes announcing only one prefix: 1 AfriNIC Region transit ASes present in the Internet Routing Table: 4 Average AfriNIC Region AS path length visible: 3.3 Max AfriNIC Region AS path length visible: 6 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1 Number of AfriNIC addresses announced to Internet: 2135296 Equivalent to 0 /8s, 32 /16s and 149 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 607 2155 455 SINET-AS Research Organization of Infor 7497 433 214 25 CSTNET-AS-AP Computer Network Informati 1237 189 75 137 KREONET-AS-KR KISTI, KR 7575 179 330 125 AARNET-AS-AP Australian Academic and Re 4538 168 4192 72 ERX-CERNET-BKB China Education and Rese 58647 164 18 2 KAGAWAU-AS Kagawa University, JP 55824 128 19 22 NKN-CORE-NW NKN Core Network, IN 4621 81 37 10 UNINET-AS-AP UNINET-, TH 4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7896 246 51 7 NU-AS, US 5786 201 16 1 UPRENET, PR 2152 153 507 86 CSUNET-NW, US 18558 137 18 4 NETBLK-RCOEK, US 270 117 297 87 AS270, US 2920 109 34 6 LACOE, US 21976 86 51 18 NJEDGE-NET, US 1736 80 16 1 MU-AS, US 3 78 528 13 MIT-GATEWAYS, US 3477 69 71 40 NOAA-NWAVE, US Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 273 1996 235 DFN Verein zur Foerderung eines Deutsch 786 187 1779 185 JANET Jisc Services Limited, GB 8895 141 24 4 ISU Internet Services Unit ISU, SA 559 116 550 107 SWITCH Peering requests: peering@switch 1103 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL 137 82 677 77 ASGARR Consortium GARR, IT 553 72 449 72 BELWUE BelWue-Koordination, DE 2200 65 646 60 FR-RENATER Reseau National de telecommu 2614 62 32 59 ROEDUNET, RO 1930 56 80 51 RCCN Fundacao para a Ciencia e a Tecnol Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 178 207 41 Associacao Rede Nacional de Ensino e Pe 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 93 24 53 Red Universitaria Nacional, CL 27884 93 6 2 CABLECOLOR S.A., HN 1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 60 102 40 Fundacao Carlos Chagas Filho de Amparo 4270 44 16 1 Red de Interconexion Universitaria, AR 19611 44 17 2 Associacao Antonio Vieira - Unisinos, B 61468 41 3 15 CEDIA, EC 28614 38 2 2 Fundacao Universidade Regional de Blume Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 329 319 74 TENET-1, ZA 2561 75 5 33 EUN, EG 8094 55 48 4 PUKNET, ZA 36914 50 82 3 KENET-AS, KE 6879 24 2 9 ENSTINET-, EG 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA 37520 5 16 2 Rhodes-Univ, ZA 327945 4 0 2 ILRI, KE 30983 3 4 1 MARWAN-AS, MA Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 65412 720 31 157 >>UNKNOWN<< 2907 607 2155 455 SINET-AS Research Organization of Infor 7497 433 214 25 CSTNET-AS-AP Computer Network Informati 2018 329 319 74 TENET-1, ZA 680 273 1996 235 DFN Verein zur Foerderung eines Deutsch 7896 246 51 7 NU-AS, US 5786 201 16 1 UPRENET, PR 1237 189 75 137 KREONET-AS-KR KISTI, KR 786 187 1779 185 JANET Jisc Services Limited, GB 7575 179 330 125 AARNET-AS-AP Australian Academic and Re Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 433 408 CSTNET-AS-AP Computer Network Information Cente 2018 329 255 TENET-1, ZA 7896 246 239 NU-AS, US 5786 201 200 UPRENET, PR 58647 164 162 KAGAWAU-AS Kagawa University, JP 2907 607 152 SINET-AS Research Organization of Information a 1916 178 137 Associacao Rede Nacional de Ensino e Pesquisa, 8895 141 137 ISU Internet Services Unit ISU, SA 18558 137 133 NETBLK-RCOEK, US 55824 128 106 NKN-CORE-NW NKN Core Network, IN Complete listing at https://bgp.nsrc.org/REN/KENET/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 65412 PRIVATE 41.89.4.0/23 36914 KENET-AS, KE 65412 PRIVATE 41.89.8.0/23 36914 KENET-AS, KE 65412 PRIVATE 41.89.10.0/23 36914 KENET-AS, KE 65412 PRIVATE 41.89.16.0/24 36914 KENET-AS, KE 65412 PRIVATE 41.89.17.0/24 36914 KENET-AS, KE 65412 PRIVATE 41.89.18.0/23 36914 KENET-AS, KE 65412 PRIVATE 41.89.20.0/23 36914 KENET-AS, KE 65412 PRIVATE 41.89.22.0/24 36914 KENET-AS, KE 65412 PRIVATE 41.89.24.0/24 36914 KENET-AS, KE 65412 PRIVATE 41.89.25.0/24 36914 KENET-AS, KE Complete listing at https://bgp.nsrc.org/REN/KENET/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL Complete listing at https://bgp.nsrc.org/REN/KENET/data-dsua Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 192.31.196.0/24 Origin: 112 UNASSIGNED Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL Transit: 20965 GEANT The GEANT IP Service, NL 192.107.242.0/24 Origin: 394784 UNASSIGNED Transit: 40831 PHS, US 205.166.145.0/24 Origin: 394784 UNASSIGNED Transit: 40831 PHS, US Complete listing at https://bgp.nsrc.org/REN/KENET/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:0 /9:1 /10:2 /11:1 /12:10 /13:19 /14:36 /15:117 /16:1904 /17:364 /18:383 /19:543 /20:832 /21:846 /22:1319 /23:1421 /24:9342 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 65412 356 720 UNASSIGNED 8895 136 141 ISU Internet Services Unit ISU, SA 27884 90 93 CABLECOLOR S.A., HN 23024 53 56 OCDE, US 36914 34 50 KENET-AS, KE 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 25977 31 45 HCCS, US 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN 27609 29 45 USC-UNIVERSITY-HOSPITAL, US 32440 29 44 LONI, US Complete listing at https://bgp.nsrc.org/REN/KENET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:5 5:15 8:2 12:1 14:84 18:41 23:6 24:5 31:6 37:6 38:7 40:1 41:176 42:31 44:5 45:60 46:7 47:1 49:10 50:1 52:1 58:4 59:20 60:4 61:4 62:7 63:34 64:45 65:1 66:34 67:44 68:8 69:17 71:1 72:11 74:19 76:32 77:6 78:3 79:10 80:14 81:32 82:4 83:7 84:5 85:33 86:9 87:1 88:1 89:10 91:46 92:1 93:12 94:4 95:5 97:1 98:2 101:3 103:293 104:6 106:1 108:8 109:8 110:3 111:19 112:4 114:23 115:1 116:4 117:61 118:35 119:19 121:30 122:8 123:8 124:41 125:13 128:79 129:172 130:90 131:43 132:55 133:137 134:85 136:192 137:74 138:10 139:4 140:35 141:2 143:39 144:54 146:124 147:62 148:159 149:13 150:38 151:6 152:72 153:11 154:19 155:49 156:64 157:25 158:44 159:115 160:25 161:16 162:19 163:59 164:40 165:16 166:1 167:12 168:130 169:10 170:51 171:1 172:2 173:2 175:32 176:8 177:7 178:1 179:12 180:21 181:11 182:5 184:5 185:40 186:3 187:17 188:13 189:6 190:138 191:35 192:1290 193:252 194:145 195:94 196:116 197:204 198:333 199:147 200:254 201:38 202:632 203:427 204:283 205:102 206:95 207:106 208:52 209:94 210:187 211:14 212:168 213:4 216:59 217:16 218:26 219:14 220:24 222:4 223:2 End of report